Applying Sun-Yuan liquefaction detection method in the February 2011 Christchurch (Mw 6.3) earthquake, New Zealand

  • Rui Sun Institute of Engineering Mechanics, Harbin, China
  • Longwei Chen Institute of Engineering Mechanics, Harbin, China https://orcid.org/0000-0003-4916-2492
  • Xiaoming Yuan Institute of Engineering Mechanics, Harbin, China

Abstract

In April 2011, 27 processed seismic acceleration records at 27 seismic stations whose epicental distances were less than 50 km in Feb. 22 Christchurch, New Zealand earthquake (Mw6.3), were collected from GeoNet strong motion data centre. Applying Sun-Yuan liquefaction detection method on the selected records, 9 liquefied sites and 18 non-liquefied sites were blindly identified thereof in May 2011, prior to the real liquefaction reports (papers) been published. Up to present, liquefaction detection results of 11 sites, i.e., 8 liquefied sites CBGS, CCCC, CHHC, CMHS, HPSC, PRPC, REHS and SHLC and 3 non-liquefied sites PPHS, HVSC and LPCC, were confirmed by publications which were consistent with the detections. New approaches and proof (or evidence) need to be pursued to demonstrate the detected results on other sites, i.e., liquefied site LINC and 15 non-liquefied sites.

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Published
2013-09-30
How to Cite
Sun, R., Chen, L., & Yuan, X. (2013). Applying Sun-Yuan liquefaction detection method in the February 2011 Christchurch (Mw 6.3) earthquake, New Zealand. Bulletin of the New Zealand Society for Earthquake Engineering, 46(3), 157-166. https://doi.org/10.5459/bnzsee.46.3.157-166
Section
Technical Notes